🔧 Outback - Cabin Air Filter Replacement

Replacing the cabin air filter on your Outback is a simple beginner-friendly job. The filter sits behind the glove box and cleans the air coming through the heater and A/C vents.

Difficulty Level: Beginner | Estimated Time: 10-20 minutes

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⚠️ Safety & Precautions

• ⚠️ Turn the ignition off before starting.
• ⚠️ Remove heavy items from the glove box so they do not fall out.
• ⚠️ Be gentle with the plastic glove box stops and damper arm; older plastic can crack.
• ⚠️ Battery disconnect is not required for this repair.

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🔧 Required Tools

You'll need the following tools for this repair:

• Safety glasses
• Nitrile gloves
• Flashlight

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Cabin air filter - Qty: 1

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📋 Before You Begin

• 🅿️ Park your Outback on level ground and turn the ignition off.
• 🧤 Put on nitrile gloves and safety glasses.
• 📦 Empty the glove box completely.
• 💡 Use a flashlight so you can clearly see the filter cover behind the glove box.
• ➡️ Note the airflow arrow on the new cabin air filter before installing it. The arrow should match the airflow direction shown on the filter housing or original filter.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Open and Empty the Glove Box

• Use your hands to open the glove box fully.
• Remove all items from the glove box.
• Use a flashlight to look along the right side of the glove box for the small damper arm.
• The damper arm is a small plastic link that slows the glove box as it opens.

Step 2: Disconnect the Glove Box Damper Arm

• Use your fingers to gently slide or pop the damper arm off the small peg on the right side of the glove box.
• Do not use force; the plastic tab can break.
• Wiggle gently, don’t pry hard.

Step 3: Release the Glove Box Stops

• Use both hands to squeeze the left and right sides of the glove box inward.
• The glove box stops are small molded tabs that keep the glove box from dropping too far.
• While squeezing inward, lower the glove box down toward the floor.
• No bolts are removed for this step, so no torque specification applies.

Step 4: Find the Cabin Air Filter Cover

• Use a flashlight to look straight behind the lowered glove box.
• Find the rectangular cabin air filter cover on the HVAC box.
• The HVAC box is the plastic housing for the heater, ventilation, and A/C system.

Step 5: Remove the Filter Cover

• Use your fingers to press the locking tabs on the cabin air filter cover.
• Pull the cover straight out and set it aside.
• Do not bend the cover tabs too far.

Step 6: Remove the Old Cabin Air Filter

• Use your fingers to slide the old cabin air filter straight out of the housing.
• Keep the dirty side facing up if possible so leaves and dust do not spill.
• Compare the old filter with the new cabin air filter to make sure the size and shape match.
• Take a quick photo first.

Step 7: Install the New Cabin Air Filter

• Use your hands to slide the new cabin air filter into the housing.
• Match the airflow arrow direction to the marking on the filter housing or to the direction of the old filter.
• Slide it in straight so the filter does not fold or crush.
• A crushed filter can allow dust and pollen to bypass the filter.

Step 8: Reinstall the Filter Cover

• Use your hands to place the cabin air filter cover back onto the housing.
• Press until the tabs click into place.
• Gently tug the cover to confirm it is locked.

Step 9: Raise the Glove Box

• Use both hands to lift the glove box back into position.
• Squeeze the sides inward again so the glove box stops pass back into the dashboard opening.
• Let the glove box sit normally in its hinges.

Step 10: Reconnect the Damper Arm

• Use your fingers to reconnect the damper arm to the small peg on the right side of the glove box.
• Open and close the glove box slowly to confirm it moves smoothly.

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✅ After Repair

• ✅ Start your Outback and turn the blower fan on low, medium, and high.
• ✅ Check that air comes from the vents normally.
• ✅ Listen for rattles, fluttering, or whistling from behind the glove box.
• ✅ If airflow is weak or noisy, turn the ignition off and recheck that the filter is seated flat.
• ✅ Replace the cabin air filter about every 12,000-15,000 miles, or sooner in dusty conditions.

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💰 DIY vs Shop Cost

Shop Cost: $60-$120 parts + labor

DIY Cost: $15-$35 parts only

You Save: $45-$85 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 0.2-0.4 hours.

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🎯 Ready to get started?

HowToo makes it easy: same-day/2-day shipping on every part, plus all the tools and specialty tools you need! Check out the parts and tools sections below to add everything to your cart.